| 摘要 |
Embodiments of the invention include methods, apparatuses, systems and computer programs related to providing a cell traffic trace functionality in E-UTRAN. A cell trace activation message is received, a cell traffic trace session is then started for a cell, and call set up is started. A trace recording session is started and, simultaneously, a unique identifier is generated for the recording session. A trace notification may then be sent to a core network or mobility management entity. The trace notification may include a trace recording session reference which comprises the unique identifier for the recording session. The IMSI and/or IMEI may also be determined for the call, and the trace recording session reference is forwarded to a trace collection entity.
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